SHOP Kate's look ...

Update (18th Feb 2014):

We finally have an ID of the necklace mentioned above. It is by Merci Maman Boutique, a UK based jeweller. The company shared the news on their Facebook page:

Kate's necklace features three charms suspended from a gold plated long chain; a mini heart engraved with W representing Prince William, a disc with her baby son's full name George Alexander Louis, and a sweet little boy charm. It has been reported that Kate's sister, Pippa Middleton bought this engraved charm necklace for the Duchess after the birth of Prince George. The company has named this necklace charm set 'The Duchess Necklace', and you can customise your own necklace for £89.00.